The mail_aliases table lists the domain's mail aliases recognized by sendmail. It has four columns:
Table C-8 mail_aliases Table| Column | Description | 
|---|---|
| Alias | The name of the alias | 
| Expansion | A list containing the members that receive mail sent to this alias; members can be users, workstations, or other aliases | 
| Comment | An optional comment about the entry | 
| Options | (See man page for options) | 
Each entry has the following format:
| alias-name:member[,member]... | 
To extend an entry over several lines, use a backslash.